<template>
  <div class="container">
  <div class="floating_stack">
    <dl>
      <dt>A</dt>
      <dd>Algeria</dd>
      <dd>Angola</dd>

      <dt>B</dt>
      <dd>Benin</dd>
      <dd>Botswana</dd>
      <dd>Burkina Faso</dd>
      <dd>Burundi</dd>

      <dt>C</dt>
      <dd>Cabo Verde</dd>
      <dd>Cameroon</dd>
      <dd>Central African Republic</dd>
      <dd>Chad</dd>
      <dd>Comoros</dd>
      <dd>Congo, Democratic Republic of the</dd>
      <dd>Congo, Republic of the</dd>
      <dd>Cote d'Ivoire</dd>

      <dt>D</dt>
      <dd>Djibouti</dd>

      <dt>E</dt>
      <dd>Egypt</dd>
      <dd>Equatorial Guinea</dd>
      <dd>Eritrea</dd>
      <dd>Eswatini (formerly Swaziland)</dd>
      <dd>Ethiopia</dd>
    </dl>
  </div>
</div>
</template>

<script>
export default {
  name: 'FloatingHeadings'
}
</script>

<style lang="less" scoped>
.container{
    display: grid;
    place-items: center;
    min-height: 400px;
    border: solid;
}
.floating_stack{
    background-color: #455A64;
    color: #fff;
    height: 80vh;
    width: 320px;
    border-radius: 1rem;
    overflow-y: auto;
}
.floating_stack > dl{
    margin: 0 0 1rem;
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    align-items: center;
}
.floating_stack dt{
    position: sticky;
    top: 0.5rem;
    left: 0.5rem;
    font-weight: bold;
    background-color: #263238;
    color: #cfd8dc;
    height: 2rem;
    width: 2rem;
    border-radius: 50%;
    padding: 0.25rem 1rem;
    grid-column: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: border-box;
}
.floating_stack dd{
    grid-column: 2;
    margin: 0;
    padding: 0.75rem;
    text-align: left;
}
.floating_stack > dl:first-of-type > dd:first-of-type {
  margin-top: 0.25rem;
}
</style>
